Climate almanac
Ione
California, United States · 38.35°, -120.93°
What is the weather like in Ione in September?
In September, Ione is typically 88°F (31°C) during the day and 60°F (15°C) at night. The month brings about 0.3 in (7 mm) of precipitation in total.
- Average high88°F (31°C)
- Average low60°F (15°C)
- Precipitation0.3 in (7 mm)
- Clear or mostly clear days26
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)